permanent ballast

简明释义

固定压载物永久压载

英英释义

例句

1.The ship's stability is greatly enhanced by the use of permanent ballast.

船只的稳定性通过使用永久压载物大大增强。

2.The construction team decided to add more permanent ballast to the foundation for better support.

施工团队决定在基础上增加更多的永久压载物以提供更好的支撑。

3.In railway engineering, permanent ballast is crucial for maintaining track alignment.

在铁路工程中，永久压载物对于保持轨道对齐至关重要。

4.Using permanent ballast helps to lower the center of gravity in boats.

使用永久压载物有助于降低船只的重心。

5.The engineers evaluated the amount of permanent ballast needed for the new vessel.

工程师评估了新船所需的永久压载物的数量。

作文

In the world of engineering and construction, the concept of stability is paramount. One of the critical components that contribute to this stability is the use of permanent ballast. The term permanent ballast refers to materials that are used to provide weight and stability to structures, particularly in transportation systems like railways and ships. By understanding the importance and application of permanent ballast, we can appreciate how it plays a vital role in ensuring safety and efficiency in various engineering projects.To begin with, permanent ballast is essential in railway systems. Trains require a stable foundation to operate safely, and the ballast used in the tracks serves this purpose. Typically made from crushed stone or gravel, permanent ballast helps distribute the weight of the trains evenly across the track, preventing deformation and ensuring smooth operation. This stability is crucial, as even minor shifts in track alignment can lead to derailments, which pose significant risks to passengers and cargo.Moreover, permanent ballast contributes to the longevity of railway infrastructure. The materials used are designed to withstand the elements, including rain, snow, and temperature fluctuations. By providing a solid base, permanent ballast minimizes the need for frequent maintenance and repairs, ultimately saving costs and resources over time. Engineers carefully select the type and size of ballast to ensure optimal performance, taking into consideration factors such as soil conditions and expected train loads.In maritime applications, permanent ballast is equally important. Ships and boats often require additional weight to maintain stability in water. This is especially true for larger vessels, which may use permanent ballast in the form of heavy materials like concrete or steel. By lowering the center of gravity, permanent ballast helps prevent capsizing and ensures that the vessel remains upright during rough seas. Without adequate permanent ballast, ships would be at a higher risk of tipping over, which could lead to disastrous consequences.Furthermore, the use of permanent ballast is not limited to just transportation systems. In construction, buildings and other structures often incorporate permanent ballast to enhance stability. For instance, green roofs, which are becoming increasingly popular, may utilize permanent ballast to support the weight of soil and plants. This not only helps with structural integrity but also contributes to energy efficiency by providing insulation.In conclusion, the significance of permanent ballast in engineering cannot be overstated. Whether in railways, maritime applications, or construction, permanent ballast plays a fundamental role in ensuring stability and safety. As we continue to innovate and develop new technologies, understanding the principles behind permanent ballast will remain essential for engineers and architects alike. By prioritizing stability through the effective use of permanent ballast, we can build safer and more resilient infrastructures for future generations.

在工程和建筑的世界中，稳定性是至关重要的。影响这一稳定性的关键组成部分之一就是使用永久压舱物。术语永久压舱物指的是用于为结构提供重量和稳定性的材料，特别是在铁路和船舶等交通系统中。通过理解永久压舱物的重要性和应用，我们可以欣赏它在确保各种工程项目的安全性和效率方面所起的关键作用。首先，永久压舱物在铁路系统中至关重要。火车需要一个稳定的基础才能安全运行，而轨道中使用的压舱物正是实现这一目的的材料。通常由碎石或砾石制成，永久压舱物有助于将火车的重量均匀分布到轨道上，防止变形并确保平稳运行。这种稳定性至关重要，因为即使是轨道对齐的微小偏移也可能导致出轨，这对乘客和货物构成重大风险。此外，永久压舱物有助于铁路基础设施的长期使用。所使用的材料旨在承受天气因素，包括雨水、雪和温度波动。通过提供坚实的基础，永久压舱物减少了频繁维护和修理的需求，从而最终节省了时间和资源。工程师会仔细选择压舱物的类型和大小，以确保最佳性能，考虑土壤条件和预期的列车负荷等因素。在海洋应用中，永久压舱物同样重要。船只和小艇通常需要额外的重量以维持水中的稳定性。这对于较大的船只尤其如此，它们可能会使用重型材料如混凝土或钢铁作为永久压舱物。通过降低重心，永久压舱物有助于防止翻覆，确保船只在恶劣海况下保持直立。如果没有足够的永久压舱物，船只将面临更高的倾覆风险，这可能导致灾难性的后果。此外，永久压舱物的使用不仅限于交通系统。在建筑中，建筑物和其他结构通常会结合使用永久压舱物来增强稳定性。例如，日益流行的绿色屋顶可能利用永久压舱物来支撑土壤和植物的重量。这不仅有助于结构的完整性，还通过提供绝缘来促进能源效率。总之，永久压舱物在工程中的重要性不容小觑。无论是在铁路、海洋应用还是建筑中，永久压舱物在确保稳定性和安全性方面都发挥着基础性作用。随着我们继续创新和开发新技术，理解永久压舱物背后的原理将始终是工程师和建筑师的必修课。通过有效利用永久压舱物优先考虑稳定性，我们可以为未来几代人建设更安全、更具韧性的基础设施。